Job Description

Job Description

Job Description

About the Role:

Join Executive Decision LLC as a CAD/Visio Design Engineer, where you'll play a crucial role in transforming innovative ideas into detailed designs. Located in the heart of Brooklyn, NY, we are excited to welcome a creative problem-solver to our dynamic team. The Senior CAD / Visio Designer will work closely with the SCADA Engineers, Instrumentation & Controls (I&C) Engineers, Process Engineers, and Project Management team to develop and maintain all CAD and Visio deliverables for the North River WWTP SCADA Modernization project. 

AutoCAD Design & Drafting

• Develop and maintain P&IDs (Piping & Instrumentation Diagrams) in accordance with ISA 5.1 standards for all SCADA-integrated process areas including primary, secondary, and tertiary treatment.
• Produce electrical one-line diagrams, panel layouts, and conduit/cable routing drawings for SCADA panels, field instrumentation, and communication infrastructure.
• Create and update instrument loop drawings, junction box schedules, and field device location plans.
• Draft control room layout drawings, operator workstation configurations, and server room/network room equipment arrangements.
• Manage and maintain the drawing register and CAD standards in compliance with NYC DEP BWT documentation requirements.
• Perform drawing markups, revision control, and as-built updates throughout construction and commissioning phases.
• Coordinate with civil/structural, mechanical, and electrical engineering teams to integrate CAD deliverables into overall project drawing sets.

Visio Diagramming — SCADA & Network Architecture

• Develop detailed SCADA network architecture diagrams including OT/IT network topology, firewall zones, DMZ layouts, and communication pathways using Microsoft Visio.
• Create HMI screen layout wireframes and navigation flow diagrams to support SCADA system design and client review sessions.
• Produce functional block diagrams for PLC/RTU I/O, control loops, and inter-system communications (OPC-UA, DNP3, Modbus, Ethernet/IP).
• Develop system integration diagrams showing interfaces between SCADA, historian, MES, asset management, and laboratory information systems.
• Maintain and update Visio deliverables through all project phases from Preliminary Design through Commissioning and Closeout.
• Support cybersecurity assessments by producing network segmentation and zone/conduit diagrams aligned with IEC 62443 or NIST SP 800-82 frameworks.

Responsibilities:

• Create and modify detailed CAD drawings for various projects.
• Collaborate with engineers and project managers to ensure design accuracy.
• Conduct design reviews and implement necessary changes.
• Utilize advanced CAD software to produce high-quality designs.
• Maintain project documentation and design specifications.
• Assist in troubleshooting design issues and propose solutions.
• Stay updated on industry trends and best practices in CAD design.
• Participate in team meetings to discuss project progress and challenges.

Requirements:

• Bachelor's degree in Mechanical Engineering or related field.
• Proven experience in CAD design, preferably in a similar industry.
• Proficiency in CAD software such as AutoCAD, SolidWorks, or similar.
• Strong attention to detail and excellent problem-solving skills.
• Ability to work collaboratively in a team-oriented environment.
• Excellent communication skills, both verbal and written.
• Familiarity with industry standards and regulations.
• Positive attitude and eagerness to learn and grow.

About Us:

Executive Decision LLC has been a leader in design solutions for over a decade, earning the trust of clients with our commitment to quality and innovation. Our employees love working here due to our collaborative culture, opportunities for professional growth, and the chance to make a real impact on exciting projects.

• Primary work location: North River WPCP, Manhattan, NY. On-site presence required during design, construction, and commissioning phases.

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